By Mike SandoThe Seattle Seahawks won't be letting return specialist Leon Washington hit the market after a sensational 2010 season.

[+] EnlargeAP Photo/Elaine ThompsonSeattle's Leon Washington returned three kickoffs for touchdowns last season.Washington, who returned three kickoffs for touchdowns and nearly scored on a punt return, has reached a four-year, $12.5 million contract agreement to stay with the team, ESPN's John Clayton and Adam Schefter are reporting.

The deal rewards Washington f...